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PDBsum entry 3cqz
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Transcription/toxin
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PDB id
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3cqz
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Contents |
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1349 a.a.
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1061 a.a.
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265 a.a.
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213 a.a.
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84 a.a.
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116 a.a.
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121 a.a.
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65 a.a.
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113 a.a.
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43 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 3cqz
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 2487 82.5%*
Additional allowed regions [a,b,l,p] 430 14.3%
Generously allowed regions [~a,~b,~l,~p] 62 2.1%
Disallowed regions [XX] 36 1.2%*
---- ------
Non-glycine and non-proline residues 3015 100.0%
End-residues (excl. Gly and Pro) 61
Glycine residues 206
Proline residues 156
----
Total number of residues 3438
Based on an analysis of 118 structures of resolution of at least 2.0 Angstroms and R-factor no greater than 20.0 a good
quality model would be expected to have over 90% in the most favoured regions [A,B,L].
2. G-Factors
Average
Parameter Score Score
--------- ----- -----
Dihedral angles:-
Phi-psi distribution -0.32
Chi1-chi2 distribution -0.53*
Chi1 only -0.20
Chi3 & chi4 0.29
Omega -0.84*
-0.44
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.42
Main-chain bond angles 0.10
0.23
=====
OVERALL AVERAGE -0.17
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G-factors provide a measure of how unusual, or out-of-the-ordinary, a property is.
Values below -0.5* - unusual
Values below -1.0** - highly unusual
Important note: The main-chain
bond-lengths and bond angles are compared with
the Engh & Huber (1991) ideal values derived
from small-molecule data. Therefore, structures
refined using different restraints may show
apparently large deviations from normality.
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